{"product_id":"york-s1-373-12894-705-heat-exchanger","title":"York S1-373-12894-705 Heat Exchanger","description":"\u003cp\u003eThe \u003cstrong\u003eYork S1-373-12894-705 Heat Exchanger\u003c\/strong\u003e is a precision-engineered \u003cstrong\u003e5 tube heat exchanger\u003c\/strong\u003e designed for critical thermal transfer in residential and light commercial HVAC systems. This \u003cstrong\u003eOEM York replacement part\u003c\/strong\u003e features a high-grade \u003cstrong\u003ecopper and aluminum\u003c\/strong\u003e construction, ensuring balanced thermal conductivity and resistance to thermal stress. As a veteran-grade \u003cstrong\u003efurnace heat exchanger\u003c\/strong\u003e, it is built to 5-tube specifications to maximize the surface area for fluid-to-air heat transfer, directly impacting aggregate system performance. Technicians should note its approximate weight of 83 lbs and dimensions of 34\" x 36\" x 25\", making it compatible with specific B2HN series units. Properly addressing \u003cstrong\u003eYork heat exchanger replacement\u003c\/strong\u003e is essential when diagnosing localized hotspots or draft inducer pressure switch trips. This \u003cstrong\u003eHVAC replacement part\u003c\/strong\u003e restores the internal combustion integrity required for safe, high-efficiency operation without the risk of bypass leakage or carbon monoxide migration into the supply plenum.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Benefits for Technicians\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Compatibility:\u003c\/strong\u003e Exact fit for popular York B2HN048N09906, B2HN048N09906A, and B2HN048N09906B models.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThermal Efficiency:\u003c\/strong\u003e 5-tube configuration optimizes the heat exchange surface area to improve overall fuel utilization.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeavy-Duty Construction:\u003c\/strong\u003e Built with robust materials capable of withstanding standard industrial operating pressures and temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEfficient Installation:\u003c\/strong\u003e Engineered as a direct drop-in replacement to reduce labor time during complex furnace teardowns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCommon Questions \u0026amp; Technical Insights\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I identify a failing heat exchanger in a York unit?\u003c\/strong\u003e\u003cbr\u003eInspect the first pass of the tubes for pinholes, visible corrosion, or cracks. Secondary signs include unusual burner flame patterns (wavering) or the presence of soot in the burner compartment.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat causes premature failure in 5-tube exchangers?\u003c\/strong\u003e\u003cbr\u003eOften, restricted airflow from dirty filters or mismatched blowers leads to overheating. High static pressure or improper gas manifold pressure can also cause excessive thermal expansion and contraction cycles.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this heat exchanger compatible with other brands?\u003c\/strong\u003e\u003cbr\u003eThis is an authentic York\/Johnson Controls part. Cross-referencing the S1-373-12894-705 part number is required to ensure compatibility with Coleman and Luxaire equivalents.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong style=\"color: red;\"\u003eThis item must be shipped via trucking. Please contact us for a freight quote.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDisclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.\u003c\/p\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":35657843084,"sku":"S1-373-12894-705","price":3433.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1838\/2375\/products\/york-373-12894-705-5-tube-heat-exchanger-21_b05ee4b0-9b0b-4d6d-acc4-18138a0302ee.jpg?v=1750974273","url":"https:\/\/www.gsistore.com\/products\/york-s1-373-12894-705-heat-exchanger","provider":"GSIstore","version":"1.0","type":"link"}